Table 1 Energy scales of the QMBS.
From: Two-dimensional hard-core Bose–Hubbard model with superconducting qubits
Energy scale | Description |
|---|---|
\({\omega }_{{\rm{q}}}=\overline{{}_{i}\left\langle {\rm{e}}\right|\hat{H}{\left|{\rm{e}}\right\rangle }_{i}}\) | Qubit frequency |
\(A=\overline{{}_{i}\left\langle {\rm{f}}\right|\hat{H}{\left|{\rm{f}}\right\rangle }_{i}}-2{\omega }_{{\rm{q}}}\) | Anharmonicity |
\(J=\overline{{\left.\right|}_{i}{\left\langle {\rm{e}}| \hat{H}| {\rm{e}}\right\rangle }_{j}\left.\right|}\) | Hopping energy |
\(\Delta \omega =\sqrt{\overline{{\left(_{i}{\left\langle {\rm{e}}| \hat{H}| {\rm{e}}\right\rangle }_{i}-{\omega }_{{\rm{q}}}\right)}^{2}}}\) | Frequency variance |